The Keysight CX1152A is a digital channel accessory module that extends the measurement and triggering capabilities of the CX3324A Device Current Waveform Analyzer. It provides 8 bidirectional digital I/O lines for synchronizing current measurements with external digital signals, making it ideal for characterizing low-power devices with digital interfaces. The module’s high input impedance minimizes loading effects on the device under test while supporting a wide voltage range.
Technical Specifications
Digital Channels
• 8 bidirectional digital I/O lines
• 10 MΩ input impedance per channel
• ±25 V input dynamic range
• ±40 V maximum input voltage
• Configurable threshold voltage for logic level determination
Interfaces
• Dedicated connection to CX3324A mainframe via digital channel interface cable (Digital D7-D0 connector)
• Signal connections via provided grabbers and probe ground leads
Included Accessories
• 10 grabbers
• 5 probe ground leads
• 1 BNC adapter (BNC jack to probe tip)
– Key Features
The 10 MΩ per-channel input impedance is specifically engineered to minimize load current, enabling accurate measurements on ultra-low-power devices without degrading their normal operation. Each channel supports independent configuration of threshold voltage, allowing flexible logic level interpretation across different signal standards and device families.
Digital triggering synchronizes current acquisition with external control signals—including microcontroller I/Os, data buses, and protocol signals—enabling precise temporal correlation between electrical behavior and device state transitions.
– Typical Applications
• Power profiling of battery-powered embedded systems
• State-dependent current analysis during digital control sequences
• Validation of power management and sleep-mode transitions
• Multi-channel triggering for complex system characterization
– Compatibility & Integration
The CX1152A integrates exclusively with the Keysight CX3324A mainframe as part of the CX3300 Series architecture. Configuration occurs through the CX3324A settings menu, where users select active channels, set graph scale and display order, and define per-channel threshold voltages. This modular design allows the base analyzer to be extended without replacing core instrumentation.
